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Re: [Qemu-devel] vhost acceleration broken?
From: |
Rusty Russell |
Subject: |
Re: [Qemu-devel] vhost acceleration broken? |
Date: |
Thu, 25 Jul 2013 12:37:32 +0930 |
User-agent: |
Notmuch/0.15.2+81~gd2c8818 (http://notmuchmail.org) Emacs/23.4.1 (i686-pc-linux-gnu) |
Anthony Liguori <address@hidden> writes:
> On Wed, Jul 24, 2013 at 8:55 PM, Rusty Russell <address@hidden> wrote:
>> Hi all,
>>
>> Using latest kernel and master qemu, the following doesn't use
>> vhost acceleration:
>>
>> sudo qemu-system-x86_64 -machine pc,accel=kvm $ARGS -m 1024 -net
>> tap,script=/home/rusty/bin/kvm-ifup,downscript=no,vhost=on -net
>> nic,model=virtio -drive file=$QEMUIMAGE,index=0,media=disk,if=virtio -kernel
>> arch/x86/boot/bzImage -append "root=/dev/vda1 $KARGS $*"
>
> sudo qemu-system-x86_64 -enable-kvm $ARGS -m 1G -netdev
> tap,script=/home/rusty/bin/kvm-ifup,vhost=on,id=net0 -device
> virtio-net-pci,netdev=net0 -drive file=$QEMUIMAGE,if=virtio -kernel
> arch/x86/boot/bzImage -append "root=/dev/vda1 $KARGS $*"
>
> We really ought to strongly deprecate -net because it's misleading. I
> suspect we can reasonably add a warning for model=virtio saying
> "please don't use this" and eventually remove it entirely.
Thankyou, that works.
I'm sure you've thought more deeply about the qemu cmdline than I have,
so I won't comment.
Cheers,
Rusty.
- [Qemu-devel] vhost acceleration broken?, Rusty Russell, 2013/07/24
- Re: [Qemu-devel] vhost acceleration broken?, Anthony Liguori, 2013/07/24
- Re: [Qemu-devel] vhost acceleration broken?,
Rusty Russell <=
- Re: [Qemu-devel] vhost acceleration broken?, Anthony Liguori, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Andreas Färber, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Anthony Liguori, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Peter Maydell, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/25
- Re: [Qemu-devel] vhost acceleration broken?, Rusty Russell, 2013/07/28
- Re: [Qemu-devel] vhost acceleration broken?, Anthony Liguori, 2013/07/28
- Re: [Qemu-devel] vhost acceleration broken?, Michael S. Tsirkin, 2013/07/29